public void testNonExistentField() throws IOException {
MemoryIndex mindex = randomMemoryIndex();
MockAnalyzer mockAnalyzer = new MockAnalyzer(random());
mindex.addField("field", "the quick brown fox", mockAnalyzer);
LeafReader reader = (LeafReader) mindex.createSearcher().getIndexReader();
TestUtil.checkReader(reader);
assertNull(reader.getNumericDocValues("not-in-index"));
assertNull(reader.getNormValues("not-in-index"));
assertNull(reader.postings(new Term("not-in-index", "foo")));
assertNull(reader.postings(new Term("not-in-index", "foo"), PostingsEnum.ALL));
assertNull(reader.terms("not-in-index"));
}
public void testDocsAndPositionsEnumStart() throws Exception {
Analyzer analyzer = new MockAnalyzer(random());
int numIters = atLeast(3);
MemoryIndex memory = new MemoryIndex(true, false, random().nextInt(50) * 1024 * 1024);
for (int i = 0; i < numIters; i++) { // check reuse
memory.addField("foo", "bar", analyzer);
LeafReader reader = (LeafReader) memory.createSearcher().getIndexReader();
TestUtil.checkReader(reader);
assertEquals(1, reader.terms("foo").getSumTotalTermFreq());
PostingsEnum disi = reader.postings(new Term("foo", "bar"), PostingsEnum.ALL);
int docid = disi.docID();
assertEquals(-1, docid);
assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertEquals(0, disi.nextPosition());
assertEquals(0, disi.startOffset());
assertEquals(3, disi.endOffset());
// now reuse and check again
TermsEnum te = reader.terms("foo").iterator();
assertTrue(te.seekExact(new BytesRef("bar")));
disi = te.postings(disi);
docid = disi.docID();
assertEquals(-1, docid);
assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
reader.close();
memory.reset();
}
}
public void testPayloadsPos0() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir, new MockPayloadAnalyzer());
Document doc = new Document();
doc.add(new TextField("content", new StringReader("a a b c d e a f g h i j a b k k")));
writer.addDocument(doc);
final IndexReader readerFromWriter = writer.getReader();
LeafReader r = SlowCompositeReaderWrapper.wrap(readerFromWriter);
PostingsEnum tp = r.postings(new Term("content", "a"), PostingsEnum.ALL);
int count = 0;
assertTrue(tp.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
// "a" occurs 4 times
assertEquals(4, tp.freq());
assertEquals(0, tp.nextPosition());
assertEquals(1, tp.nextPosition());
assertEquals(3, tp.nextPosition());
assertEquals(6, tp.nextPosition());
// only one doc has "a"
assertEquals(DocIdSetIterator.NO_MORE_DOCS, tp.nextDoc());
IndexSearcher is = newSearcher(readerFromWriter);
SpanTermQuery stq1 = new SpanTermQuery(new Term("content", "a"));
SpanTermQuery stq2 = new SpanTermQuery(new Term("content", "k"));
SpanQuery[] sqs = {stq1, stq2};
SpanNearQuery snq = new SpanNearQuery(sqs, 30, false);
count = 0;
boolean sawZero = false;
if (VERBOSE) {
System.out.println("\ngetPayloadSpans test");
}
PayloadSpanCollector collector = new PayloadSpanCollector();
Spans pspans = MultiSpansWrapper.wrap(is.getIndexReader(), snq, SpanWeight.Postings.PAYLOADS);
while (pspans.nextDoc() != Spans.NO_MORE_DOCS) {
while (pspans.nextStartPosition() != Spans.NO_MORE_POSITIONS) {
if (VERBOSE) {
System.out.println(
"doc "
+ pspans.docID()
+ ": span "
+ pspans.startPosition()
+ " to "
+ pspans.endPosition());
}
collector.reset();
pspans.collect(collector);
sawZero |= pspans.startPosition() == 0;
for (BytesRef payload : collector.payloads) {
count++;
if (VERBOSE) {
System.out.println(" payload: " + Term.toString(payload));
}
}
}
}
assertTrue(sawZero);
assertEquals(8, count);
// System.out.println("\ngetSpans test");
Spans spans = MultiSpansWrapper.wrap(is.getIndexReader(), snq);
count = 0;
sawZero = false;
while (spans.nextDoc() != Spans.NO_MORE_DOCS) {
while (spans.nextStartPosition() != Spans.NO_MORE_POSITIONS) {
count++;
sawZero |= spans.startPosition() == 0;
// System.out.println(spans.doc() + " - " + spans.start() + " - " +
// spans.end());
}
}
assertEquals(4, count);
assertTrue(sawZero);
writer.close();
is.getIndexReader().close();
dir.close();
}